Answers about 03 kia rio sensor problems or sensor diagrams?

Replaced pulse switch on my piece of crap 2002 Kia rio cinco crap cleared the po 501 code ran good for about 5 miles still having problems code came back on will not shift pass 5000 rmp so im tired of this car. Its getting parked into a tree tomorrow im to tired tonight so good luck to you kia owners i give up. This damn thing is a money pit..... Nevering ending